A 30 m steel tape was standardised at 20 C measurements of distances were taken as 15 C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be

A 30 m steel tape was standardised at 20 C measurements of distances w

1.	A 30 m steel tape was standardised at 20 C measurements of distances were taken as 15 C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be
A.	- 0.00, 00560 m
B.	+ 0.00, 00560 m
C.	+ 0.00, 16800 m
D.	- 0.00, 16800 m
Answer» E.